golang共识锁实现用户地址分配

golang共识锁实现用户地址分配

参考：​​mainimport ( "bytes" "crypto/ecdsa" "crypto/elliptic" "crypto/rand" "crypto/sha256" "golang.org/x/crypto/ripemd160" "log" "fmt" "encoding/hex" "math/big")const version = byte(0x00)const addressChecksumLen = 4var b58Alphabet = []byte("123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz")type userKeys struct { prk *ecdsa.PrivateKey puk ecdsa.PublicKey}type Address struct { PrivateKey ecdsa.PrivateKey PublicKey []byte usrAddress string usrKeys [10]userKeys}func getKey() (*ecdsa.PrivateKey, error) { prk, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) if err != nil { return prk, err } return prk, nil}func newKeyPair() (ecdsa.PrivateKey, []byte) { curve := elliptic.P256() private, err := ecdsa.GenerateKey(curve, rand.Reader) if err != nil { log.Panic(err) } pubKey := append(private.PublicKey.X.Bytes(), private.PublicKey.Y.Bytes()...) return *private, pubKey}func hashPubKey(pubKey []byte) []byte { publicSHA256 := sha256.Sum256(pubKey) RIPEMD160Hasher := ripemd160.New() _, err := RIPEMD160Hasher.Write(publicSHA256[:]) if err != nil { log.Panic(err) } publicRIPEMD160 := RIPEMD160Hasher.Sum(nil) return publicRIPEMD160}func newAddress() Address { var address Address private, public := newKeyPair() address.PublicKey = public address.PrivateKey = private for i := 0; i < 10; i++ { prk, err := getKey() if err != nil { panic(err) } address.usrKeys[i].prk = prk address.usrKeys[i].puk = prk.PublicKey } address.usrAddress = getAddress(address) return address}func getAddress(a Address) string { pubKeyHash := hashPubKey(a.PublicKey) versionedPayload := append([]byte{version}, pubKeyHash...) checksum := checksum(versionedPayload) fullPayload := append(versionedPayload, checksum...) address := Base58Encode(fullPayload) return string(address)}func checksum(payload []byte) []byte { firstSHA := sha256.Sum256(payload) secondSHA := sha256.Sum256(firstSHA[:]) return secondSHA[:addressChecksumLen]}func Base58Encode(input []byte) []byte { var result []byte x := big.NewInt(0).SetBytes(input) base := big.NewInt(int64(len(b58Alphabet))) zero := big.NewInt(0) mod := &big.Int{} for x.Cmp(zero) != 0 { x.DivMod(x, base, mod) result = append(result, b58Alphabet[mod.Int64()]) } if input[0] == 0x00 { result = append(result, b58Alphabet[0]) } return result}func Base58Decode(input []byte) []byte { result := big.NewInt(0) for _, b := range input { charIndex := bytes.IndexByte(b58Alphabet, b) result.Mul(result, big.NewInt(58)) result.Add(result, big.NewInt(int64(charIndex))) } decoded := result.Bytes() if input[0] == b58Alphabet[0] { decoded = append([]byte{0x00}, decoded...) } return decoded}func main() { var ars Address = newAddress(); fmt.Println("user PublicKey is :", hex.EncodeToString(ars.PublicKey)) fmt.Println("user Address is :", ars.usrAddress) for i := 0; i < 10; i++ { fmt.Println(ars.usrKeys[i].prk) fmt.Println(ars.usrKeys[i].puk) }}

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